Bio 191 Exam (Depaul UPDATED ACTUAL
Exam Questions and CORRECT Answers
What are the functional groups (hint: there are 7 you need to know) - CORRECT
ANSWER - -Hydroxyl
-Carboxyl
-Carbonyl
-Amino
-Sulfhydryl
-Phosphate
-Methyl
What is ATP? What are the components? What are some traits? - CORRECT ANSWER -
Adenosine Triphosphate
An adonine has three phosphate groups attached to it
Stores the potential to react with water
Rxn releases energy that the cell can use
How many bonds can carbon make? - CORRECT ANSWER -4
What type of bond does carbon form? Why? - CORRECT ANSWER - Covalent because
they e- are shared
What are carbons 3 most frequent partners? - CORRECT ANSWER - Hydrogen, Oxygen,
Nitrogen
Hydrocarbons consist of what two elements? - CORRECT ANSWER - Hydrogens and
Carbons
, True or False: many organic molecules have hydrocarbon components. - CORRECT
ANSWER - True
True or False: hydrocarbons undergo reactions that release a large amount of energy. -
CORRECT ANSWER - True
_______ are compounds with the same molecular formula but different structures and properties.
- CORRECT ANSWER - Isomers
____________________ have different covalent arrangements of their atoms. - CORRECT
ANSWER - Structural Isomer
_______________________ have the same covalent bonds but differ in spatial arrangements. -
CORRECT ANSWER - Cis-Trans Isomer
__________________ are isomers that are mirror images of each other. - CORRECT
ANSWER - Enantiomers
saturated chains are - CORRECT ANSWER - all possible bonds with H (no double)
unsaturated chains are - CORRECT ANSWER - not all carbon chains are bonded with
hydrogen (double bonds)
What are the 4 main biological molecules? - CORRECT ANSWER - Carbohydrates,
Lipids, Proteins, Nucleic Acids
True or false: Monomers are the smaller units that then come together to make a polymer -
CORRECT ANSWER - True
What is hydrolysis? Explain how it is different from dehydration synthesis. (hint: use the word
lyse) - CORRECT ANSWER - Hydrolysis is the breakdown of a polymer. Water is added
Exam Questions and CORRECT Answers
What are the functional groups (hint: there are 7 you need to know) - CORRECT
ANSWER - -Hydroxyl
-Carboxyl
-Carbonyl
-Amino
-Sulfhydryl
-Phosphate
-Methyl
What is ATP? What are the components? What are some traits? - CORRECT ANSWER -
Adenosine Triphosphate
An adonine has three phosphate groups attached to it
Stores the potential to react with water
Rxn releases energy that the cell can use
How many bonds can carbon make? - CORRECT ANSWER -4
What type of bond does carbon form? Why? - CORRECT ANSWER - Covalent because
they e- are shared
What are carbons 3 most frequent partners? - CORRECT ANSWER - Hydrogen, Oxygen,
Nitrogen
Hydrocarbons consist of what two elements? - CORRECT ANSWER - Hydrogens and
Carbons
, True or False: many organic molecules have hydrocarbon components. - CORRECT
ANSWER - True
True or False: hydrocarbons undergo reactions that release a large amount of energy. -
CORRECT ANSWER - True
_______ are compounds with the same molecular formula but different structures and properties.
- CORRECT ANSWER - Isomers
____________________ have different covalent arrangements of their atoms. - CORRECT
ANSWER - Structural Isomer
_______________________ have the same covalent bonds but differ in spatial arrangements. -
CORRECT ANSWER - Cis-Trans Isomer
__________________ are isomers that are mirror images of each other. - CORRECT
ANSWER - Enantiomers
saturated chains are - CORRECT ANSWER - all possible bonds with H (no double)
unsaturated chains are - CORRECT ANSWER - not all carbon chains are bonded with
hydrogen (double bonds)
What are the 4 main biological molecules? - CORRECT ANSWER - Carbohydrates,
Lipids, Proteins, Nucleic Acids
True or false: Monomers are the smaller units that then come together to make a polymer -
CORRECT ANSWER - True
What is hydrolysis? Explain how it is different from dehydration synthesis. (hint: use the word
lyse) - CORRECT ANSWER - Hydrolysis is the breakdown of a polymer. Water is added
